# operator==(std::extents)

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< cpp‎ | container‎ | mdspan‎ | extents

template< class OtherIndexType, std::size_t... OtherExtents > friend constexpr bool operator==( const extents& lhs, const extents<OtherIndexType, OtherExtents...>& rhs ) noexcept; |  | (since C++23)

Compares two `extents`. Returns true if lhs.rank() equals rhs.rank() and lhs.extent(r) equals rhs.extent(r) for every rank index r of rhs; otherwise returns false.

### Parameters

lhs, rhs | - | extents whose values to compare

### Return value

true if the extents represented by lhs and rhs are equal, false otherwise

### Example

| This section is incomplete Reason: no example

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